| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
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| 09/19/1989 | US4868885 Apparatus and method for high-speed determination of received RF signal strength indicator |
| 09/19/1989 | US4868811 Multiple access communication system |
| 09/19/1989 | US4868795 Power leveling telemetry system |
| 09/19/1989 | CA1259720A1 Cordless telephone system |
| 09/19/1989 | CA1259658A1 Radio data transmission system |
| 09/14/1989 | DE3806604A1 Arrangement for receiver selection in a radio system |
| 09/13/1989 | EP0332465A2 Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls |
| 09/13/1989 | EP0332290A2 Equaliser for radio receiver |
| 09/13/1989 | CN1035596A Passive universal communication |
| 09/12/1989 | US4866788 Process for controlling retransmission of messages from transmitting stations belonging to a cellular system |
| 09/12/1989 | US4866787 Channel strip for use in a satellite/hybrid television system |
| 09/12/1989 | US4866710 Reuse groups for scan monitoring in digital cellular systems |
| 09/12/1989 | US4866515 Passenger service and entertainment system for supplying frequency-multiplexed video, audio, and television game software signals to passenger seat terminals |
| 09/12/1989 | CA1259430A1 Multipoint communication system having polling and reservation schemes |
| 09/12/1989 | CA1259385A1 Cross-polarization canceler/equalizer |
| 09/08/1989 | WO1989008355A1 Cellular digital mobile radio system with plural base station transmitters and method of transmitting information in such a system |
| 09/06/1989 | EP0331573A1 Pulse burst transmitter |
| 09/06/1989 | EP0331567A1 Satellite communications system for mobile users |
| 09/06/1989 | EP0331435A2 Radio telephone apparatus |
| 09/06/1989 | EP0331162A2 Functional mode information communication in a radio communication network |
| 09/06/1989 | EP0331118A2 Switching arrangement capable of switching burst time plan tables/channel assignment pattern tables of a specific terrestrial station |
| 09/05/1989 | US4864647 Wireless infrared remote control extender |
| 09/05/1989 | US4864643 Radio transmission system providing adjacent channel and image frequency rejection |
| 09/05/1989 | US4864642 Space diversity receiving system |
| 09/05/1989 | US4864641 Radio data transmission system |
| 09/05/1989 | US4864316 Vehicle receiving apparatus using a window antenna |
| 09/05/1989 | CA1259102A1 Receiver including a multipath transmission detector |
| 08/30/1989 | EP0330222A2 Method and system for switching radio frequency |
| 08/30/1989 | EP0330178A2 Multiple accessing satellite communication system having standby central station |
| 08/30/1989 | EP0330166A1 Transmission power control method and device for information transmission by radio waves |
| 08/30/1989 | EP0329997A2 Reuse groups for scan monitoring in digital cellular systems |
| 08/29/1989 | US4862516 System for automatically tuning the antenna of a miniature portable communications device |
| 08/29/1989 | US4862514 Hybrid electronic radio repeater |
| 08/24/1989 | WO1989007867A1 Wireless communication equipment and method of controlling the same |
| 08/24/1989 | WO1989007864A1 Multipath reduction system |
| 08/23/1989 | EP0328836A2 Pseudo-passive universal communicator system |
| 08/22/1989 | US4860024 Antenna for a portable radiotelephone |
| 08/22/1989 | US4860004 Digital selective calling receiver having a selectively attachable device for multiple independent address decoding capability |
| 08/22/1989 | US4860003 Communication system having a packet structure field |
| 08/22/1989 | CA1258706A1 Signal separating device |
| 08/22/1989 | CA1258705A1 Automobile antenna system |
| 08/22/1989 | CA1258704A1 Automobile tv antenna system |
| 08/16/1989 | EP0328385A2 A phase adjusting system for a radio communication system |
| 08/16/1989 | EP0327541A1 System for automated communication for data transmission. |
| 08/16/1989 | EP0327540A1 Control system for data carriers. |
| 08/15/1989 | US4858229 Filter interconnection matrix |
| 08/15/1989 | US4858225 Variable bandwidth variable center-frequency multibeam satellite-switched router |
| 08/15/1989 | US4857917 Remote control apparatus providing leader pulse followed by data pulses |
| 08/15/1989 | US4857858 Digital demodulation system having independently operating cross-polarization cancellers |
| 08/10/1989 | WO1989007380A1 Trunked communication system with nationwide roaming capability |
| 08/10/1989 | WO1989007371A1 Non-recursive cascade equalizer for suppressing parasites due to multiple-channel reception |
| 08/09/1989 | EP0327101A2 Satellite communication system with variable coding rate |
| 08/08/1989 | US4856080 Circuitry for the diversity unit in an FM receiver for a telephone system |
| 08/08/1989 | US4856028 Low data rate communications link |
| 08/08/1989 | US4854527 Tetrahedral multi-satellite continuous-coverage constellation |
| 08/08/1989 | CA1258324A1 Synchronization control capable of establishing synchronization without transmission of distance information between control and local earth stations |
| 08/02/1989 | EP0326413A2 Radio telephone set used as portable set and vehicle-mounted set |
| 08/02/1989 | EP0325668A1 Car radio with non recursive cascaded equalizer |
| 08/01/1989 | US4853951 Cordless telephone with in-range monitoring |
| 08/01/1989 | US4853702 Radio wave receiving system |
| 08/01/1989 | US4853686 Method and apparatus for establishing a connection in shortwave radio networks |
| 07/27/1989 | WO1989006884A1 Multiplexed address control in a tdm communication system |
| 07/27/1989 | WO1989006883A1 Alternating sequential half duplex communication system |
| 07/26/1989 | EP0325429A2 Multiple access communication system |
| 07/25/1989 | US4852148 Radio telephone system |
| 07/25/1989 | US4852147 Telephone apparatus |
| 07/25/1989 | US4852090 TDMA communications system with adaptive equalization |
| 07/25/1989 | US4851654 IC card |
| 07/19/1989 | EP0324420A2 Transponder frequency offset compensation with recurrently assigned unique words |
| 07/19/1989 | EP0324363A2 Demand assignment multiple access control system |
| 07/19/1989 | EP0324208A1 Method and circuit for switching between frequency-modulated high-frequency signals |
| 07/18/1989 | US4850037 Method and circuit for receiving radio wave, especially multi-antenna diversity reception and apparatus |
| 07/18/1989 | US4850033 Method of and control arrangement for selecting a control channel by a mobile radio station |
| 07/18/1989 | US4850032 Simulcast data communications system |
| 07/18/1989 | US4849963 Cellular radio telephone enhancement circuit |
| 07/18/1989 | US4849961 Fast sequencing demodulation method and apparatus |
| 07/18/1989 | CA1257658A1 Interference cancellation system |
| 07/18/1989 | CA1257653A1 Radio communication system with power saving disablement prior to call handling processes |
| 07/13/1989 | WO1989006475A1 Digital selective calling receiver having a selectively attachable device for multiple independent address decoding capability |
| 07/13/1989 | WO1989006474A1 Pager having time controlled functions |
| 07/13/1989 | WO1989006472A1 Acknowledge back pager with adaptive variable transmitter output power |
| 07/13/1989 | WO1989006407A1 Code division multiplexed acknowledge back paging system |
| 07/12/1989 | EP0323927A1 Method and apparatus for demodulating digital data transmitted by frequency hopping on an ionospheric transmission channel |
| 07/12/1989 | EP0323870A2 Signal equalising arrangement and method, using a feedback equaliser |
| 07/12/1989 | EP0323614A2 Rotable contactless antenna coupler and antenna |
| 07/11/1989 | US4847869 Rapid reference acquisition and phase error compensation for radio transmission of data |
| 07/11/1989 | US4847860 Phase-control system for telecommunications signals received by an adaptive antenna |
| 07/11/1989 | US4847818 Wristwatch radiotelephone |
| 07/11/1989 | CA1257416A1 Wireless pbx/lan system with optimum combining |
| 07/11/1989 | CA1257339A1 Antenna diversity reception system for eliminating reception interferences |
| 07/05/1989 | EP0322542A1 Method for equalizing dispersive, linear or nearly linear channels for transmitting digital signals, and apparatus for carrying out said method |
| 07/05/1989 | EP0322525A2 Automatic transmit power level control in radio links |
| 07/04/1989 | US4845505 Automobile antenna system for diversity reception |
| 07/04/1989 | US4845504 Mobile radio network for nationwide communications |
| 07/04/1989 | CA1256964A1 Radio wave signal controlled door lock arrangement |
| 06/29/1989 | WO1989006074A1 Process and circuit arrangement for reversing frequency-modulated high-frequency signals |
| 06/29/1989 | WO1989006073A1 Process and arrangement for equalizing dispersive, linear or approximately linear channels for transmitting digital signals |
| 06/28/1989 | EP0322061A1 Radio system for the exchange of information between a set of stations |
| 06/28/1989 | EP0322029A1 Device for transforming data-packets into a regular multiplex in a TDMA transmission system |
| 06/28/1989 | EP0321997A1 Reception method and reception antenna system for carrying out said method |